Results 251 to 260 of about 41,962 (280)

Intensive Sleep Retraining and Total Sleep Deprivation for Treating Chronic Insomnia: A Randomised Controlled Trial

open access: yesJournal of Sleep Research, Volume 35, Issue 1, February 2026.
ABSTRACT The aim of the study was to compare the efficacy of intensive sleep retraining (ISR) and total sleep deprivation (TSD) against a no‐treatment control condition for treating chronic insomnia and examine two potential mechanisms: the resolution of conditioned insomnia and the increase in homeostatic sleep drive produced by sleep deprivation ...
J. Le Bouthillier, H. Ivers, C. M. Morin
wiley   +1 more source

Excessive daytime sleepiness in myotonic dystrophy: a narrative review. [PDF]

open access: yesFront Neurol
Hoxhaj D   +7 more
europepmc   +1 more source

Eveningness in Middle‐Aged and Older Adults: Associations With Sleep, Internalising Symptoms, and Alertness

open access: yesJournal of Sleep Research, Volume 35, Issue 1, February 2026.
ABSTRACT Evening chronotype, characterised by a preference for later circadian timing, can present challenges in societal activities oriented towards morning schedules. This study investigates the link between chronotype and sleep, alertness, and internalising symptoms in middle‐aged and older adults. The sample comprised 652 healthy adults (ages 35–98)
Xinran Niu   +3 more
wiley   +1 more source

Elevated Hair Cortisol Concentrations Are Associated With Poor Sleep Quality Evaluated Using the Pittsburgh Sleep Quality Index but Not With Actigraphy

open access: yesJournal of Sleep Research, Volume 35, Issue 1, February 2026.
ABSTRACT There is growing interest in studying how habitual sleep disturbance affects biological risk factors that may underscore adverse health outcomes. This study examined associations between hair cortisol concentrations and self‐reported sleep quality and objectively measured sleep metrics derived using actigraphy.
David S. Michaud, Mireille Guay
wiley   +1 more source

The Burden of Sleep/Wake Disorders: Excessive Daytime Sleepiness and Insomnia Project. [PDF]

open access: yesMethods Protoc
Tüzün M   +15 more
europepmc   +1 more source

Improvement in patient-reported sleep in type 2 diabetes and prediabetes participants receiving a continuous care intervention with nutritional ketosis [PDF]

open access: yes, 2019
Athinarayanan, Shaminie   +9 more
core   +1 more source

Long‐Term Visual Gist Abstraction Independent of Post‐Encoding Sleep

open access: yesJournal of Sleep Research, Volume 35, Issue 1, February 2026.
ABSTRACT Current theories of memory processing postulate a slow transformation from episodic to abstract, gist‐like memories. We previously demonstrated that sleep shortly after learning improves gist abstraction in healthy volunteers across a one‐year retention interval using a visual version of the Deese‐Roediger‐McDermott (DRM) paradigm.
Nicolas D. Lutz   +7 more
wiley   +1 more source

Polysomnographic (PSG) Characteristics of Sleep Behaviour in Parkinson's Disease: A Brief Report

open access: yesJournal of Sleep Research, Volume 35, Issue 1, February 2026.
ABSTRACT Polysomnography (PSG) is widely used for verifying sleep disruption in Parkinson's disease (PD). However, the determination of impacted PSG parameters specific to PD is complicated by the heterogeneity of study populations, control groups, as well as scoring systems.
Beatrix Feigl   +4 more
wiley   +1 more source

The Effect of Digital Cognitive Behavioural Therapy for Insomnia in People With Co‐Morbid Insomnia and Sleep Apnoea (COMISA): A Pilot Randomised Controlled Trial

open access: yesJournal of Sleep Research, Volume 35, Issue 1, February 2026.
ABSTRACT Co‐morbid insomnia and sleep apnoea (COMISA) is a prevalent and debilitating condition. Cognitive behavioural therapy for insomnia (CBTi) is an effective but largely inaccessible treatment in patients with COMISA. We aimed to test a self‐guided interactive digital CBTi program tailored for COMISA and insomnia alone.
Alexander Sweetman   +3 more
wiley   +1 more source

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